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e0fa6523e0
Martin Kelly says: ==================== This patch series adds a new ring__ API to libbpf exposing getters for accessing the individual ringbuffers inside a struct ring_buffer. This is useful for polling individually, getting available data, or similar use cases. The API looks like this, and was roughly proposed by Andrii Nakryiko in another thread: Getting a ring struct: struct ring *ring_buffer__ring(struct ring_buffer *rb, unsigned int idx); Using the ring struct: unsigned long ring__consumer_pos(const struct ring *r); unsigned long ring__producer_pos(const struct ring *r); size_t ring__avail_data_size(const struct ring *r); size_t ring__size(const struct ring *r); int ring__map_fd(const struct ring *r); int ring__consume(struct ring *r); Changes in v2: - Addressed all feedback from Andrii Nakryiko ==================== Signed-off-by: Andrii Nakryiko <andrii@kernel.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.